The Juggler’s Brain

Here’s the link to the intro video of the Chpater 7 + Digression presentation. See if you can watch it at home, or if it’s really just too hard to concentrate for that long:

About the Dorsolateral Prefrontal Cortex (the brain region stimulated in experienced internet users, mentioned in the chapter regarding Gary Small’s study)…Where is it located? Well, it’s right here:


Here is the scientific study illuminating the Top-Down processing purposes of the Dorsolateral Prefrontal Cortex:

Here’s the study’s diagram of all of the connections that this brain area makes, in case you’re looking to get straight to the point. With so many connections, it makes sense that it is stimulated when so many functions must be coordinated during Internet use:


Indecisive about your career path? That indecision may be more linked to your Internet use than you think:

Here are some of the University of Guelph’s resources to help you deal with your perfectionism-procrastination complex. Scroll down the page or Ctrl+F “procrastination” to find them:

Trying to quit multitasking and start focusing your attention? You may want to start by turning off all of your push notifications making your phone buzz and beep – they are apparently just as distracting as actually sending texts or checking your apps. Find out more:

Toward the end of the chapter, Carr references a study by Clifford Nass at Stanford, about how the multitasking brain functions. Here is an article that further explains the points touched upon in the book, as well as a TED Talk by Nass exploring his findings:

Here is a great blog post which puts into really understandable terms why we just can’t multitask:

As mentioned in the chapter, our working memory is quite limited, and theorized to only hold 7 items at a time. Marketers know this, and use “grouping” techniques to lump items together in ads so you retain more:

Here’s an example of “grouping” in an ad:


Here’s Torkel Klingberg’s TED Talk on how working memory works, and how you might be able to improve yours:

And here’s a link to his game:

The digression following chapter 7 is about the changes in IQ levels over time. Do you think we’re getting smarter, or are we just thinking differently?

If you’re curious about your IQ score, here’s a link to an online test:





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